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Table A-2
ACO
A.12 MCA, Matrix Controller Assembly Card, Holdover
Clock
Figure A-11
Table A-3
FAIL
(Cont.) MIS LEDs
LEDs
Holdover Clock MCA Card LEDs
MCA LEDs
LEDs
RED – This card has failed or there is a loss of all input
references to this card.
BLANK – No card or input reference failure detected.
MCA, Matrix Controller Assembly Card, Holdover Clock
Descriptions
GREEN – The ACO push button has been pressed to
silence the alarm during an alarm state.
Descriptions
Appendix A
A-14
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